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Old 09-10-2012, 10:31 AM
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Lower radiator hose

I was underneath the truck today and realized when I squeezed the lower radiator hose it was completely empty.Now as some of you probably read I posted a couple times about my temps being extremely high.The top hose is HOT and when I sqeeze it I can feel or hear some coolant going through.The bottom is empty and cool to the touch.....normal?
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Old 09-10-2012, 12:07 PM
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Very confused..Just went for a little ride and checked the hose and now its hot......
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Old 09-10-2012, 12:28 PM
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Air pocket?
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Old 09-10-2012, 01:41 PM
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I thought maybe air pocket too..?.....Why would the top hose be hot still after lets say like 30-40min and the bottom hose is cool to the touch.........
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Old 09-10-2012, 01:58 PM
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Quote:
Originally Posted by njmudrat View Post
I thought maybe air pocket too..?.....Why would the top hose be hot still after lets say like 30-40min and the bottom hose is cool to the touch.........
Because thats how the radiator works? Unless I'm missing something. Hot coolant comes in the top and cool coolant exits the bottom. Hot coolant rises.

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Old 09-10-2012, 01:59 PM
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I suppose oit could be clogged, your truck would be boiling over though?

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Old 09-10-2012, 02:40 PM
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If I wait an hour after I park it the top hose is hot and the bottom is cool.But the bottom feels like theres nothing in there.I just figured the bottom hose would stay full ....I still have to change thermostat and check temps..Saturday I hit 235 coolant going up a hill doing 70mph on a 80degree day and the truck was empty..My insight actually started blinking.I guess it has a warning light....Shiot is driving me crazy...
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Old 09-10-2012, 02:51 PM
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What are your eot's. Your water pump may be failing. You can and should set alarms on the monitor. Use the monitor to it's fullest potential.
Write Up: Monitoring the 6.0L PSD.

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Old 09-10-2012, 03:28 PM
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Read this....Write Up: Monitoring the 6.0L PSD.

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Old 09-10-2012, 04:41 PM
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Thx,,good read..I am going to change the thermostat first since that seems to be the cheapest....
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